/*

 * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

  @bug 4828019

  @summary Frame/Window deadlock

*/

    boolean bOK = false;

    Thread badThread = null;

    public void start ()

    {

        final Frame theFrame = new Frame("Window test");

        theFrame.setSize(240, 200);

        Thread thKiller = new Thread() {

           public void run() {

              try {

                 Thread.sleep( 9000 );

              }catch( Exception ex ) {

              }

              if( !bOK ) {

                 // oops,

                 //System.out.println("Deadlock!");

                 Runtime.getRuntime().halt(0);

              }else{

                 //System.out.println("Passed ok.");

              }

           }

        };

        thKiller.setName("Killer thread");

        thKiller.start();

        Window w = new TestWindow(theFrame);

        theFrame.toBack();

        theFrame.setVisible(true);

        theFrame.setLayout(new FlowLayout(FlowLayout.CENTER));

        EventQueue.invokeLater(new Runnable() {

           public void run() {

               bOK = true;

           }

        });

    }// start()

    class TestWindow extends Window implements Runnable {

        TestWindow(Frame f) {

            super(f);

            //setSize(240, 75);

            setLocation(0, 75);

            show();

            toFront();

            badThread = new Thread(this);

            badThread.setName("Bad Thread");

            badThread.start();

        }

        public void paint(Graphics g) {

            g.drawString("Deadlock or no deadlock?",20,80);

        }

        public void run() {

            long ts = System.currentTimeMillis();

            while (true) {

                if ((System.currentTimeMillis()-ts)>3000) {

                    this.setVisible( false );

                    dispose();

                    break;

                }

                toFront();

                try {

                    Thread.sleep(80);

                } catch (Exception e) {

                }

            }

        }

    }

    public static void main(String args[]) {

       NonEDT_GUI_Deadlock imt = new NonEDT_GUI_Deadlock();

       imt.start();

    }

}// class NonEDT_GUI_Deadlock